Chinami Ogi defeated Yumi Miyazaki 3-6 6-2 7-6 in the Hyogo 10K round of 32 on carpet. The upset overturned the form book — Yumi Miyazaki came in leading the head-to-head 1–0. Chinami Ogi claimed a first win over Yumi Miyazaki in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-03-14 | Miyazaki 10K | R16 | carpet | Yumi Miyazaki | 7-5 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.